US1095995A - Propulsion mechanism for rail-grinders. - Google Patents

Description

'Patented May 5, 1914,

'l 'SHEETS-SHEET 1 W. D. GHERKY.

PBoPULsIoN MECHAMSM Foa RAIL GmNDBRs.

APPLICATION FILIED SEPT. 24, 1912. RENBWT'D APR. 2, 1914. 1,095,995..

GHERKY. PROPULSION MEGHANISM FOR RAIL GRNDERS. l APPLICATION FILED SEPT. 24, 1912. RBNEWED 1111.2, 1914.-

Patented May 5, 1914.

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"lii=" 9 me/Wto@ w. D. -GHBRKNLA PROPULSION MEGHANISM FOR RAIL GRINDERS. n APPLGATION FILED'SBPT. 24, 1912. RNBWBD APR. 2, 1914. 1,09%'995` Patented May 5, 1914;

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@vi/Minnow v wel MK fm i W. D. GHBRKY. PROEULSION MBGHANISM FOR'RAIL GRINDRS. v APPLIUATION FILED SEPTl 24, 1912. RENEWED'APR.' 2, 1914,

Patented May 5, 1914.

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lu muto@ Patented May 5, 1914.

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W. D. GHERKY. PROPULSION MBCHANISM POR RAIL GRINDBRS. APPLICATION FILED SEPT. 24, 1912. BENBWBD APR. 2, '19m W. D. GHERKY. PROPULSION MECHANISM FOR RAIL GRISDERS.

L 31 4 Y nl?? Patented May 5, 1914.

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ED APR.2,1914.

APPLICATION FILED SEPT. 24, 1912. RENEW STATES PATENT oFFroE.

WILLIAM D. GI-IERKY, E PHILADELPHIA, PENNSYLVANIA.

PROPULSION MECHANISM FOR RAIL-GRINDERS.

Original application filed November 9, 1911', Serial N o;

Specification of Letters Patent.

Patented May-; 1914. 659,4555.y Divided and this application tiled September 24,1912,seria1Nq.722,1e4. Renewed April 2,1914.. seria'lm. 829,137.

` My invention relates to'jpropuision mechanism for trucks adapted to Abe voperated oir railway tracks, and the invention is -especially applicable to the truckof' agrinding machine such asis illustrated in my co-pending applica-tion Serial No. 659,456, tiled November 9, 1911, of whichfapplication thgs application is a division.

An bject sought to bef attained is theprovision of Ya positive and uniform propulsi n of the truck insucha manner as to et- 'ect a movement of the truck either forwardly-'or rearwardlyat. the will of the 'o ierator and with all requisite convenience.

A speciiic, feature of my invention ot greatest import-ance is the. provision -ot means adapted for selecting the direction of rotation imparted .to lthe 4traction wheels of the truck which means. is conveniently operated by operators at either vside oftheplatform'ot the truck. Through this means, .con-trol of the grinding operation ofthe machine inv which the truck is embodied' through the forward and' reverse `m'o\v'ement. ot the truck can be hadfas conveniently when'the grinding operation is being perf formed on one side of the. track -as it can4 be whenthe `grinding operation isbeing per-v `formed on the other side of the track.

My invention possessespther features of importance, all of which will be-ully apparent inethe following detailedl description j and -each of which will `be-parti'cularly i pointed out in the 'appended claims.

My invention is illust-rated int-lie accom-- panying drawings,l in Which- Y y Figure 1, which for convenience 1s di' vided into' twoparts, z -b, is' a plan view of my improved machine. Fig. 2, also divided into two parts, a-b, is an end eleva`- tion of the machine. Fig. 2 isa side elevaf tioncf .the bottom-most portion of anauxiliary wheel showing a chock attached. Fim 3also divided into two parts, a-b, is' a side machine and the trolley pole rigging there-r on. F 1g. 4 1s a transverse section lof the trolley pole showing its'mounting and the attachment of the adjusting handle.; Fig. 5 1s a sectional. View of al form of spring boX useful in suspending the machine dur ing'transportat-ion.l Fig. 6 shows the`machine rigged for transportation, all detail bemg omitted.

Themachine illustrated is assembled and mounted upon a horizontal truck frame co1n' posed of channel irons, 1, 2, 3 and 4, riveted 'and tied together at the corners by angles 'and gusset-platesyand cross-braced by chanstii'len the main frame, but also to carry the motor t) and its-connected parts. T his nia-4 chine boing intendedl for use on electric roads, an electric motor is; employed, .the detailed construction of which forms no part. of the present invention, butwhich drives a shaft 10,.prov'ided'.with suitable outboard bearings and'driving a suitable train of reducing gears'shown for simplicity as' a worm A11,1neshing'with a worin-gear 1Q, which is fixed upon a drilving shaft 13, from which' power is taken to. propel the machine pn the tracks, and to. feed thecutting or. grinding wheels tobe .presently described. On its opposite ends the motor .shaft 10 car.-

ries b'elt-pulleys`14, 15. from which power is directly communicated to similar pul leysl l16, 17, on the grinding wheel spindles.

wheels'are capable of lateral adjustment on the frame to"accom1nodate tracks of differ# ent gages, and',` to permit this adjust-ment: without interfering witlrthe drive, the beltpulleys,'14,l.15, on .the motoi' shaft aregiven jendwisel adjustment,y as. indicated i in dotted lines.; i

The machine is supported upon thetrack rails by a pairof track wheels1S,'1J, and a pai'rliof travelers, Q0, 21. The' track wheels .are 'splined or otherwise secured for longitu- 'di-'nal 'adjustment on an axle, 22, having endvbearings, 23," 24, on' the frame. The travelers', 20, '21, are `secured directly beneath the ends of the cradles which carry the grinding wheels, and are laterally adjustable ltherewith, so that all adjustments for gage are parallel and 'can be made accurately without any danger of throwing the parts out of line. The grinding Wheel drive is Valways in the same direction, but. i-n .order t run the ma` elevation of the machine'. Fig'. 4 isa side view on a reduced scale `of the top of the chine back and forth over the section of the nel irons and G, which notonly serve tov 'As' will presently appear. the" grinding" CAD still another feature, however, of great im-v portzhicdl -which remains to be described,'

viz., means for independently supporting` the machine and ,removing it. from and replacing it upon the track. This means comprises a hoist, a pair of road wheels. and a power drive which can tirst be applied to the hoist and then to the road wheels, rendering it possible by small power to handle the entire machine, remove and replace it, which so far as I am aware has never before been accomplished. i

Rising' from .opposite sides'of the frame are posts formed ofchafnnels 'T- Ta 'and 8-83.. (These and the connected mechanism are best shown 'in liigi. 2 and 3). The posts are coni'iected by a bridge member 120, riveted and 'tied t'o'them by means of'gusset plates. Each post is likewise' provided with opposite diagonal braces, as 7b, 7, suitably riveted at both ends to the postsand-to the frames. As will be shown, the. posts and their braces serve as means for suspending the entire machine in stable Vequilibrium when hoisted from the track.

Extending from side to side of the frame,

overlying the same, and 'passing through thel open spaces lett between. the members of each post, is a steel axle 12.1 upon one end of which the hub of the road wheel 122 is keyed, and upon-the other end of which the hub of the road wheel 124 can be clamped at will by means ofthe lock-nut 125, carrying` a hand wheel 126 and exerting pressure on the cone-faced clutch 127,

which, however, 'may' be provided with clutch teeth, if desired.4 A nut 12S is pinned upon the outer end of the axle to prevent the hand-wheel from being vaccidentally -backed oli'. An inner cone-bearing is proyidedfor the hub 123, in the collar 129 pinned to the axle. Y

Sliding' up and down between the post-- members 8, S, is a square box 130, through `which the axle i but in which it is free to rotate. Slidnig ...tween the post ineinbers 7, 7a, is a similar square box 131,'

through the lower portion of which the axle passes and in which it free to rotate. Both.

boxes have flanges sliding on both faces of Journaletl in these box-'csf are sleeves 132 and 133, connected 'by a met-al tube 134 secured to them both so that they will turn together. The axle is free to turn within these connected parts, except as hereinafter stated. The sleeves 132 and 133 serve as connected windlasses, turned by;-

means of a power crank 135, ina mannerto be described. Around thesleeve or windi lass 132 is'taken one turn orinore-of a chain 136, which. is fastened to the sleeve at 137,=

has its upper end fastened to an eyehol't with long stem passed through a projecting ear 138.011 -the bridge 120, and its lower end secured to an eyebolt with -a similar long steun,

passing,` through a bracket riveted at 139 to the. frame i'neiiibcr-T. Similarly, the sleeve or windlass 133 has around it one turn' or more of' a chain 1110, pinned at 141, aiciored at its upper end to an eyebolt with a long stem passing through aprojecting cai' 142 on the bridge 20. and its lower end to an eyebolt with a. similar long` stem passing. through a bracket riveted at 113 to the frame member. S. Since the boxes, the wiiidlass,` and all connected parts, are free' to slide up -and down with respect to4 the frame, it is obvious that by turning the wiiidlass in one direction, the chain will be wound up on the windlass to lift the machine clear of the track, and by turningv the windlass in the other direction, the machine will first be lowered by unwind'ing' the chain, and then the upper portion of the chain will be wound down around'the windlass to lift the latter, together with the' axle, boxes, wheels 122 and 124s, and all connected parts until'the wheels .are clear-of the ground so as to offer noobstruction to the travel' of the machine back and forth on the track rails.

The sleeve 132 in practico has such a cir- 'cumference tliatit will malte only one revolution between the .extreme positions of wheels 'hoisted .on the frame, and frame hoisted on. the wheels. Since theeyebolts and top and bottom ends of tlie'chains have long stems, adjustment 'is possible'to'vary the -ratio between the two hoists. Thus for example, the sleeve has a circumference of approximately r12 incl-ies.' lVitli equal division the machine will behoisted (l inches for tiuiislwrting7 and the'. wheels will be hoisted 6 inches for grinding; but by adjust# ing these ey'ebolts, by means of their nuts, any division of the 1 2 inches may be made. l? or e'xample, the machine may be hoisted 9 inches for transporting, and the large wheels hoisted '3' inches forgrinding. lt will be `reiiembered that thel neutral' pt ,iit is fixed between the two hoiss, because the chains 13G and 140 arepinned to the wiiidlass .ory

'sleeve 132 at 'the points 137 and 1&1 respec? tively. y

lt will be quite 'obvious tothosefskilled in the art after reading' the foregoing descrip.- tion of the chain-hoist, that a great .variety of other mechanical elements .inightbe'sub-1l lstituted for the chains and producethe `same results.'` F or example, a rack secured to thev frame o'n each side, and a pair of pinions,

one on each end ofthe windless or sleeve ,-18'2, j

toxcoperate with the said racks, Wouldperform exactly the same functions, and; in s uch case detent'pawls'co'uld beproxiided engaging. each 'rack or each ,pinion` iii-opposite direct-ions, to serve as stops and to lool;y the inachinein either extreme p'osition'. A vsingle ample, a pair of cams might be employed .reversible p awl might 1be'fmade/ to act` upon 4 .each ra'clor each pinion. As another exa' normally in neutral position, and when turned downward acting .upon abutments on the frame to lift the large wheels and axles, but when turned upward, working against other abutments on the frame to lift the machine. Such cams would be approXi-.

mately heart-shapedand' secured to the aXle att-he upper or broad part of theheart. I consider this feature of the double hoist, and

'the principle involved of direct and reaerse 'action up and down, as embodied in the dift'erent elements mentioned, to be novel and .originalwith me and shall claim the same accordingly.

j The mechanism for turning the windless comprises a pinion 144, tiXed on the crankshaft 145, 'which is journaled in bearings 146 and 147 carried rigidly'l on-the hub 123 of the 'wheel 124; `a 'gear-Wheel 148 meshing,"

hotlrwagon wheels and, trackiwheels on a level as shown in the drawings, thisl notch is diametrically opposite the pointv of the detent oi' dog` 152. A half revolution in one direction will'then lift the wagon wheels and hold them by the dog and notch, while a halt revolution in the opposite direction will litt the machine. and hold it by the saine dog in tires-.une notch. Secured to the windlass sleeve, 141, outside of 'thebox 131, is a friction disk 153, and outside of this disk is a wheel 154, having on its periphery ratchet teeth engaged by av pawl 155 pivoted on the hok 131, as is also the detent 152. The ratchet wheel 154 iQ locked between the' drinn 149. and the disk 153, by friction due t'o the engagement ot the screw-clutch 15G, which in itself forms no part oi the present invention, but 'is an important element 'in the combination employed. ln the drawing',

i have shown the crank 135 provided with an extensible portion 135, pivoted so it can be swung' in either direction, to make the crank long; for working' the windlass, and to make it short :for turning' the wheels 122 and 124.4 It should be noted here that the pawl 155 is never lifted.

The operation ot these parts is` as tollows: .assuming that the machine is re tine' on the rails,- and vit is desired 'to move it, the wheels 122 and 124 being hoisted up. The dogg' 152 is first lifted, and the crank turned to rotate the gear-wheel 14.8 so as to unwind the chaiiron the windlass. whereby the wheels and axle are lowered. Continued ope 'ation of the crank then produces tun When t-he windlass ther winding of .the 'chains on both ends of the windlass, so as to lift the machine bodily, and when this has been accomplished, the detent 152 engages the notch 151 lin the drum, andl the parts 'are automatically locked. .Continued rotationl of the' crank shaft will now result in rotating the pinion,

144, and the crank-shaft v145, in planetaryT fashionl around the gear-wheel 148, and as .andithe crank 1.35 slowliT rotated backward to chntinuously keep the clutch parts 148, 149 sufficiently uncoupled to permit the windlass to turn slovvlwwT and lower the ina-v chine von the track. ln so doing, the crank cannot fly around, nor the machine he dropped suddcnl v,'as any stoppage in the reverse nioticn of the crank will result 'in locking' the screwI parts 156, A' chock 122 (sec Fig. 20).. may be conveniently attached to the rim of one of the road-wheels, as 122, by means of the hooked bolts 122". This 'check serves as a reactive means to preventrolling of the road wheels when the weight ot the marhine is being hoisted thereon, and it also serres to accurately and expeditiously locate the machine over the. rails .after the, same has been rolled aside to per- .init the passage oi a car. inasmuch as the road-wheels in practice make but halfa revelation to clear the (fr, the chock may remain cnythc i'oadn'lieel except when inaautomatically when the machine is heilig l hoisted on the axle to permitan approachingrat' topasci. The trollev pole rigging is shown in Fig'. 4, the cord 1132 extending to a suitable .sleeve 163 on vthe pole 164, which has at one end a i'ork 165 or trolley,r wheel) to 'eugage the trolley wire.y and is Secured near the other end in a slcerc 1G13 nivotcd at 167 to the post .lt-3S. Outside ot the sleeve a cap 1.4.39 is tittcd to the end of the noky and 'las frame members l and- Q.

of a set screw or similar device 174 on the diagonal brace 175 which is secured at its lower end in a cast iron socket i176 on the machine bridge l2() and carries at its other end a bearing sleeve l?? in which the post lSS can turn. The foot *oil the post is ren reived' and journaled in a cast iron socket l' secured on the bridge member 120' ot' the machine. Around the outside otl the socket is litted a loose tellin-179, secured to the post 168 by a pin fitting the collar and post tightlvbut working in horizontal slots in the walls oi' the. soci-:et 17S, as shown iii Fig'. et?. Above the collar 179 stop collar 180 is pinned on the socket .178. permanently. Thus, by taking out the pin lSl, the post loS'andlits rigging an be removed while the collar ,ll .will `remain on the machine. This collar has ears lSQlwliich receive a handle lever 183 between them, this lever being pivoted for vertical oscillation, and connected'by'means ot' a chain lSl tothe detent 152 (Figs. 2 and The lateral play of the pin lSlin its slot, enables the operatorto turn the post S and the pole 16st trein side to side by means ot' the lever 183, this motion being` .necessary when the pole 1G4- being elevated. in order to engage the fork Vloo with thetrolley wire. By raising.;` the A handle ISS the operator can lift the detent,

and .release the drum, one hand serving ltopert'orm-'both operations ot guiding and releasing, leaving' thc other hand free to' ma! ui'pnlate the crank' or perform other neccssary :iets in setting or resetting` the machine for fj ration. The itting- 17T may be provided ,with eyes on its sides to receive the ends of lateralV head guys. '185, vthe lower ends of which are secured to eyebolts on the By this arr-dintL ment a Very light rigging can be employed,

the jest 168 being for example a Q inch steel boiler tube, tlie'strut l'being ot d'- ard inch galvanized iron. The post'liS being tubular. the supply conductor can bey led down .inside it, being shown at lbft led out of the'post. to the pole. Slack enough nir-.st he provided invthi's connection-to perinit'turnirg` of the pole ou the pivot 167' through its maximum angle ot movemein.v

When the poleris all the war dow-inrit lies along` or substantiallyT parallel with the strut' 175. rl`he pole 161i is shown as ot' wood but may obviously bei made .ofmetal if desired. @ne of the'pair of springs i713 may also be omitted. The remaining sp1-ini;

may be housed 4inside the strutl', in which case Vshortpiccesrof ropewould connect the top end ofthe-spring with .the trolley pole,

and' from the 'bottoni' end ofthe spring` arojie wou-ldpass' out at the bottom end of the strut to h'aul'and hold the fork against the trolley wire. y f

There are some' features in this vmachine any other machine in existence.

which should be specially noted. The pro# vision of rigid connecting means 1n the 'form oit' posts 7 8, and .their braces, makes 1t possible to suspend the entire machine from the,

road wheels in stable equilibrium, Without cscillation, except in anarc or long radius. The provision of the transverse road Wheels and the4 various adjustments l have. provided.; makes it' possible to stop the machine,

run 1t oli the track transversely. to permit the passage of a car, run itb'ack again,lowery it on the track, and continue the grinding' without change oi' loss of adjustment, from 'the exact. point at which. itwas stopped. So ;t'ar as I know, this cannot be done with Moreover, this machine is self-contained, that is to say,

itisa single unit, containing'both the di'iV-' ing' vsupports or wheelsv and the' grinding supports or travelers, the feeding means and the. propelling` means all within itself! So far asl know this-combination is not found in any other machine iii existence. It is a small power machine, and it, will be obvious to those skilled in the art that by introducing' a simple train of liears from the power shaft 13 to the gea-r Wheel 14:8, with a proper reversing" clutch connection, the machine may be hoisted andtaken oft the track or replaced by power from the motor instead of the crank -135. In this case the trolley connection must remain established and be laterally flexible.

Brief vand temporary femoral fromv and replacement on the track, the displacement ot theA machine being only a few feet in either direction, can be accomplished with the chain suspension, wit-hout excessive Y1- .bration,'l)ut the arrangements referred to lend themselves ver f well to s )rinfr sus en- `sion for transportation from 'place to place,

.of the chain from the eyebolt on the frame,

and. engaging` the .ch-ain hook or` one of its links with the eve or hook on the spring, the suspension may be made resilient fordistance transportation;A While it is vonly neces-v sary to unhook the chain fromvthe' spring4 and rengage its terminal hook with the eyebolt on the fran'ie, to restore a rigid lift 'ing' connection for use during grinding,r as

hereinbef'ore described. While this insertion of a spring in the chains is the simplest land. most obvious arrangement, l do not consider it the best'for my purpose, but for The simplest forni of yse `. purposes of distance transportatiou, l pref- Cri Y than normal.

erahly provide the sprintf boxes 186 (shown in dotted lines in llin. 23), ofivhich one box is shoivn in section in Fig. The specific form and arrangement of this spring,i boX- is not material. so longas it ivill subserve. the function for which itis intended, and which is nmterial and essential. Thisfunction is to cushion the suspension of the machine from the ivheels 122 :ind 194 b v suitable means interposed between the axle boxes 131, 131, and the upper ends of the vertical suspension frame T T, 8 9, 190. Suppose the machine has been hoisted,- so that the vertical frame pieces T-Ta, 8&8 have risen. ivith respect to the axle boxes @L1-3l?, obviously the space in each' vertical slot between the axle box and thehead or 'bridge member 120 ivill be much higher Into these spaces the boxes 186 are inserted, one oneach side, and in' order to .prevent lateral'displacement of the boxes under sti-raim'suitable holding means may be provided therefor, in the shape of flanges or projections, veither on the spring boxes o r the axle boxes, or on th'e frame. The detent- 152 may'then be disengaged from the slot in the drumV 111:9, and a few back- `ivardturns of the crank handle Will impose the entire Weight of the machine* on the springs' in the boxes 186, and the general arrangement will at once become quite similar to that of the frames and journal boxes on a railway truck. Agreat advany Itage gained by lthis arrangement is that the line of support for the entire Weight of the machine is at. its highest' part; that is alongthe bridge member 120. This tends to lessen oscillation. y l Means for transporting'the machine .are shown in Fig'. 6, the arrangement being` such that While the tractile force is applied directly to the axle 121, the vframe of the machine is held to prevent excessive oscillation, and receives its due portion of the impetus due to the propellingforce. Tivo draw bars 1ST, 188 are provided which may conveniently be steel tubes ivith solid ends welded to them. these ends beinpr flattened and provided with bolt holes. rl`he end 1&7a is bolted between the .projecting ears -on a collar 1ST encirclingy the axle, and the end 18Sal is similarly bolted between -ears on a. collar 18S". The ends 18Tc and, 188C are secured by a tlii"oiin'lil olt with the h ead of a draiv bar adjuster or link 130 betvfeen them. The lower end of this link is provided with a number of bolt holes b v which it can be adjustably secured between a pair of ears on the frame member 3 or Ll. `he ends 1STC and 188C project. and are provided with bolt holes for the attachment of a' link orother means for connecting the draiv bars to the rear end of a Wagon or truck or to a svvingletree fondirect hauling. Thus. with the spring;` suspension and steadying link,

the machine may be transported any dis-l tance with ease and security.

I am aware that many changes and modilications may be made in'this machine \tith. out departing` from the, scope or purview of the invention. It is to be clearly understood that l contemplate all such non-essential changes and moditications' as ,fairly fall within the terms of'tho appended claims.

lavingr thus described my invention what l claim and desire to secure by Letters Pat-v 1. ln a 'rail grinder adapted to operate upon either rail. a truck for the grinder mechanism comprisimr a platform: a trac tion ivheel': a poiver shaft mounted upon platform: means operated thereby adapted lto potato said traction Wheel in tivo direttons: -and means extending` upon opposite sides of-said platform adapted for selectingy the directionof rotation imparted to said traction wheel, .said means being adapted to lze conveniently'operated by operators at citherside of said platform.'

2. 'In a propulsion mechanism for trucks, tlle combination comprising! a platform, a tractionwheel;- an axle fixed to said Wheel; a pain of drive gears freely 'rotatable upon said' axle: means for rotating' said drive fearsin opposite directions: a pair of clutch members one lixed `to and rotatable with' sides of said platform whereby said shiftable clutch member may be. conveniently shifted at ivill bj: operators at either side of-:siaid platform. t

Il. In a propulsion mechanism 'tor trucks;

the combination'comprising a platform; a'

traction wheel; an axle fixed to said Wheel; a pair of drive nears freely rotatable upon said axle; a pair of, clutchlmemliers one fixed to and rota able with each of said gears; a shiftable elutehimember feathered upon said axle adapted to be shifted for engagement with either of said irst mentioned clutch members; a power shaft mounted upon said platform; supplemental power shafts driven by said first poiver shaft and adapted Vto drive said drive 'gears in opposite directions; and niieans extending upon opposite sides of said platform whereby said shiftable clutch members may be conveniently shifted at will bv operators at either side of said platform.

A Ll. In combination a?. truck frame, and pro-4 rui 1,11.

pelling mechanism therefor comprising propelling wheels, asource of power, a driving` connection troni the source to the propelling wheels, and automatic means on the trainel for reversing the latter drive after a prede-k termined travel of the machine in either di- 4rection of the applicationof power to the propelling wheels, a timing element onthe frame, and operatino' means for said couplingcontrolled by tlie timing element.l i A 7. 'n combination a truck frame 'and wheels, a sourcerot power carried by said traine5 and reversible power transmitting conm-:ctions.y between said motor and said wheel.' f' iitrollable from point's'laterally on each s ot f id truck frame wherebyv the triicir may be controlled in its prward and reverse movements from either side of the tracleway at will. y

S. A. machine of the character described compri lng a main truck frame and wheels7 auxiliary derailingwheels, supporting connections between the. auxiliary wheelsand the mainA truck frame whereby the main 'truck trame may be supported tree from the ground by Said auxiliary wheels, and manually operable power applying ineans'including power multiplying wheels geared to said derailing wheels whereby the power may be ii^..^iiiually applied to said derailingwheels independently of the main' truck frame to roll `the machine, from the traclrway.

in a machine of the character described,-l a inaiii truck traine provided with vertically extended guideways arranged iongit-udinally of the main l'iody and above its center of gravity, a supporting wheel jouriialed in cachot said guideways` and a hoisting mechanisml between said main truck aid through said guideways, and a hoisting mechanism between said two trucks whereby the main truck may be hoisted upon .said auxiliary truck and transported from the trac'kway,

, chine from a A machine of the character described comprising a main truck traineI and wheels,

a longitudinally ,extending axle overlying-rr said truck: v,and extending` substantially f across its mainl bodyfa;paiifauxiliaryrrr y wheels one. at Aeach end ot said axle and a l hoisting device adapted to raise sa'id'niasaid axle. 12. In a machine of the .character de# scribed,' a main trucln; auxiliary wheels adaptedt o support said main frame jfor vtrackway and support it from tiai'isportatioii from a trackway, hoisting" connections -between'fthe main body and they ysaid auxiliaryl wheels for raisingthe main truck upon the auxiliary',wheels`v and a dif,.- fereiitial gearing between one of said auxil ,iaiywheels and the said hoisting connection.;

so,l

13. A machineo'f the character described comprising-'a main truck, an overlying axle carrying auxiliary wheels and' from which' vthe main truck train-e may be supported for transportation, hoistingeonnections between differential gearing between 'one of the auxiliary 'wheels and the said axle, 'and means for applying power to saidl differential gearing to operate both the axle and the wheels, the one to hoist the main truck oiito4 thewheels and the other to revolveA thc wheels to transport the main truck from the trackway. ,i

14. In a machine of the character. described a main truck; auxiliary wheels on opposite sides lof said main truck and on which said iiiaintruck is `adapted -to be transported 'from a trac'lrway, and a clutch 'said axle an'dsaidiiiain truck frameg'and a device for connectii'iganddisconiiecting said wheels. whereby they iii-ay be caused to move in synchronisn'i or asynchioiiisni to guide the movements otthe main truck during trans- Y poi-tation.

15. A machine of the character-described comprising a main truck' frame and wheels,

auxiliary wheels Von opposite sides of said main truck frame on which said main trucktraine is adapted to be transported frointhe trackway, a power device for applying4 power' to said auxiliary wheels to effect transportation, and a clutch device connecting said auxiliary wheels operable from av point closely adjacent to said power device, whereby a single operator may simultaneously operate both theclutch device and iliary dera-iling Wheels,` and means for liois't-v ing the main truck upon auxiliary wheels iso-ff.

auxiliary derailing Wheels,"a hoisting Inecli.` anisin heti'veenthe 'said auxiliary Wheels and.

the main truck frame wherebyl the inain truck 'traine may he raised upon said ausil- 'laryv njheels and vlowered therefrom7 a trolley supported `fromV said main truck' frame, and

.connections between said hoisting mechanism and said trolley adapted to remove and replacethe trolleyfrom operating position when the hoisting mechanism is operated,

and ineans for. adjust-ing theratio of said connection to define the e'treine positions of said trolley. f Y

Q9. in a machine of the character deserihed 'a inain truck frameand wheels, a self-contained ,detailing truck permanently connected with said n'iain trnelt frame, ineens for lifting the niain `truck traine and snp- H portingl it upon said derailing truck,l and a draft yoke connected with said detailing truck.

30. A machine of vlthe character described comprising a main track-frame and Wheels` a derailingtrnelr eoinpi'ising a single 'overlying axle with a Wheel oneaeh end over.-

-lying said inain truck frame and perina-v nently connected thereto for' vertical moreiinent with respect thereto, and afdraft yoke connected with said aile'.

31. In av machine of the character described a main truck traine and wheels; a derailing truck permanently conneetedthere with t'or `vertical movement with respect theretox ineanst'or hoisting said main triielt frame pon and suspending it from said, derailing truck, a draft yoke connected with said derailing truck, and a' 4connection ne tween said draft yolte and one 'end of said'.

inain truck r'anie vwhereby the main truck fraiiieis steadied during transportation with `the draft connection hy said yoke,

3Q. In a self-contained inohile rail lgrindinf,T machine in combination a truck frame, supporting means for the frame adapted 'to travel on the rail, and independent support ing means for the frame adapted to travel oli the frail. with means for lifting the inaehiiie on the second,supporting means with the irst supporting nieans clear of the rail.A an aijlditional-inean`s for lifting the secondv supporting means on the machine to pciniit free travel .of the first supporting; means along the rail, and means for applying power independently to either ot said supportingnieans to`prodnee travel ot the ina chine on or off the railatwill.

'to said su' nection troni said road Wheels -dressing metal 'parts such as railway rails when in iixeil position in eonihinationa frame, a support for the traine adapted to travel on the metal or rail operated iipoin a` separatel support adapted' to travel independently of the metal or rail7 ht'iisting niechanisni, adapted to lift the Weight .ot the inacliiiie on said second support, nie-ans for applying power to said' hoisting mechanism arranged also to autonnitically apply' power iid supporting means for moving the machine indei'iendently, oie theinQtal' or rail, ina si-ilf-ei'in'tained moli-.ile 'A ing machine in iainihination a traine ra'irtinici` iiieaiis adapted to't-rarel oranda' pair of road wheels. a "M i gearing attached to @aid what' tively connected to the liaisL 'ini-ana to ai'ipiy power thereto for -eiieratl g thehoisbwhile said 'wheels remain stationary. and iii-ezine' to 4loelt the hoist whereby continued application of power Will turn the .wheels 3 6. In a selt-eontained -inoliile rail grind-- ing machine in con'ihinai'fion a'traine snportine nieans adaited to 'travel 'on-the rai-l P e i i. i

and a pair of roadn'heels. ali'oisting eonnecl tion. from said road wheelsfto the frame, slidingr hearines anv the :traine for said road wheels, a gear ari ned in hearings fixedv ta the road wheels an* means 'to apply purger "thereto, an'ii V ing' geaiJ- iiited to the hoist. said g wheels being' in iiXed relation to said sliding bearings. and nieans to loch said iinistin(v` gear, -wlierclrv rotation ot' the iirst gear will operateihe hoist Twhen not locked while saidroad wheels reinain stationary, lint will turn-the wheels in their hearings when the lioistisloelted.

3T. in a self-contained inohile rail tfrindin L machine in vcombination a framel sup roe 'portingineans adapt-ed to tavel on tiie rail,

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its upper` end to said bracket and at its lower end to the frame and intermediate ot its ends engaged by said ,u'indlass a gear 4wheel coupled to said windlass concentrically, a pinion interineshing therewith and journaled in bearings carried by and eccentric to one of the road wheels, means for applying power .to said pinion. and a detent 'for locking said nindlass and its gear wheel withl respect to the frame, whereby rotation of the power driven pinion in one direction will rotate the wi ull-ass to draw up the suspender/and lift tie frame until the detent is locked, and theffeatter continued rotation of said pinion will cause it to travel around the windlass gear with a'planetary motion and to, turn both roadwhe'els and their axle for propelling the machine on said roadl wheels;- and rotation ot said pinion in re- Verse .direction will reverse. the'motion ot' the road wheels while the detent remains locked and thereafter while said wheel remain stationary will rererse the motion et' the windlass to unwind the suspender and to lower the frame of the machine until it rests on the'rail and finally will reyersely windth'e suspender and lift the windlass, the axle, the road wheels, and their journal boxes and gears to suspend the same on the frame of the machine, s aid suspension being maintained by again Locking the detent to vprevent rotation ot' the windlass.'

38. ln. a mobile rafl dressing machine adapted in l`operation t) rest upon 'the rail being dressed, a pair ot rigid supports pro- 4gecting vertically from said machine on a median line aer its mass, a pair of wheels with an axle. therefor extending across said supports parallel to and above said median line and above the center of gravity 'of the machine, with means to lift the machine and, when lifted, to secure said supports to the axle in suspension.

ln a mobile rail dressing machine, the combination el? ling supporting means for moving the nii nine to and from the rail, an electric motor t'or operating the machine.,

a Contact device. adapted during yoperation hoisting gearing4 haring onel element con'-l nected to said auxiliary wher-ils andanothbr.

instantie` element` connected to said main truck trame, with a third clementfarlapted to supply power to either of the lirst two elements when the other' is held Stationary, whereby when lone of Athe auxiliarywlieels is held .stationa.iy,tl`ie main truck frame may be hoisted upon said auxiliary wheels, together with means to stop the rotation ofsaid auxiliary wheels and the transportation ot1 said main 'truck frame thereon when the auxiliary wheels have rotated a predetermined "distance, lwhereby the auxiliarylwheels being held stationary, the truck frame may bc raised orlowered.

41. In a .machine of the character. described, a main truckirame o'nwheels, auxiliary wheelsjadapted to' supportsaid main.

trucl; frame t'ree from the ground independently of said ymain wheels, a differential hoisting gearing .between "said auxiliary wheels and lsaid main truck frame w iereby when one of the auxiliary wheels is held statioiiary,'jtl1e inaint'ruclr frame' may'l be hoisted upon said auxiliary wheels, together with a chock extending beyond the periph ery of one of said auxiliary wheels and re? movable atw'ill from the. wheel.

42. A machine of the character described comprising a main truck frame and wheels, auxiliary transporting wheels permanently associated therewith and lon which the'main periphery ot the truck frame may be supported for trans- 4 portation, said auxiliary wheels bezii'igof a.

diameter suoli that one rei-'elution or less is' suliicient to transport the main.. truck frame from the danger-zone of a .tracltwayg l a chock associated with one of said' au'xiliary wheels and active once each revolution to stop' transportation. together with a differential hoisting gearing between said aux- .iliary wheels andsaid main. truck frame,

whereby when the auxiliary wheel .is stopped 'the main truck frame is moved through the differential gearing with vrespect thereto,

43.111 a machine ofthe character deA .scribed, a main truck -frame and wheels,.a

horizontal. 'shaft permanently associated with said main truck frame together with auxiliary wheels -connected therewith, a hoisting 'connection between said auxiliary `wieels and |main truck frame, and means 4for rotating the said shaft independently of the auxiliary wheels to hoist the main trut-l;

'trame andsupport it on the auxiliary wheels from the ground.

in testimony whereof I aiiix .my -signature in' presenceof two witnesses.

' WILLIAM D.. GHE KY.

l/Vitnesscs :j

EVALYN M. BOWEN, JAMES S. CLIFFORD.

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